2. The connections shown in the figure below consist of 10 A490 bolts and is attached to the column flange. The bolts are subject to shear and tension in a bearing-type connection with threads excluded in the shear plane. Assume the strength of column flange and the plates does not govern the strength. a. Investigate the adequacy of the bolts if P=250KN. b. Determine the safe value of P. 200 mm W shape 75 mm 75 mm 375 mm 75 mm 75 mm 30mm 0 bolt 250 mm

2. The connections shown in the figure below consist of 10 A490 bolts and is attached to the column flange. The bolts are subject to shear and tension in a bearing-type connection with threads excluded in the shear plane. Assume the strength of column flange and the plates does not govern the strength. a. Investigate the adequacy of the bolts if P=250KN. b. Determine the safe value of P. 200 mm W shape 75 mm 75 mm 375 mm 75 mm 75 mm 30mm 0 bolt 250 mm

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter8: Eccentric Connections

Section: Chapter Questions

Problem 8.2.10P

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STAGGERED CONNECTIONS: A PLATE WITH WIDTH OF 400 mm AND THICKNESS OF 12 mm IS TO BE CONNECTED TO A PLATE OF THE SAME WIDTH AND THICKNESS BY 34 mm DIAMETER BOLTS, AS SHOWN IN THE FIGURE. THE HOLES ARE 2 mm LARGER THAN THE BOLT DIAMETER. THE PLATE IS A36 STEEL WITH YIELD STRENGTH Fy = 248 MPa. ASSUME ALLOWABLE TENSILE STRESS ON NET AREA IS 0.60Fy. IT IS REQUIRED TO DETERMINE THE VALUE OF b SUCH THAT THE NET WIDTH ALONG BOLTS 1-2-3-4 IS EQUAL TO THE NET WIDTH ALONG BOLTS 1-2-4. a. CALCULATE THE VALUE OF b IN MILLIMETERS. b. CALCULATE THE VALUE OF THE NET AREA FOR TENSION IN PLATES IN SQUARE MILLIMETERS. c. CALCULATE THE VALUE OF P SO THAT THE ALLOWABLE TENSILE STRESS ON NET AREA WILL NOT BE EXCEEDED.
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A 15" x 3/8" bar of A572 Gr. 50 steel is used as a tension member. It is connected to a gusset plate with 7/8-in diameter bolts as shown in the figure. Use s = 2.0 and g = 3.0.a) Determine the design tensile strength of the section based on yielding of the gross area.b) Determine the critical net area of the connection shown.
A 15" x 3/8" bar of A572 Gr. 50 steel is used as a tension member. It is connected to a gusset plate with 7/8-in diameter bolts as shown in the figure. Use s = 2.0 and g = 3.0. Determine the allowable tensile strength of the section based on tensile rupture of the net area. Answer: о о lo O o
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A 15" x 3/8" bar of A572 Gr. 50 steel is used as a tension member. It is connected to a gusset plate with 7/8-in diameter bolts as shown in the figure. Use s = 2.0 and g = 3.0. Determine the critical net area of the connection shown. Determine the design tensile strength of the section based on yielding of the gross area.
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PROBLEM NO. 2: Two plates each with thickness t = 16mm are bolted together with 6-22mm diameter bolts forming a lap connection. Bolt Spacing are as follows: S₁ = 40mm, S₂ = 80mm, S3 = 100mm. Bolt diameter = 22mm. Use A36 steel. Calculate the allowable strength due to block shear only. I= 16 mm S₁ S₂ S₂ S1 40 80 80 40 18-16mm S-40 S₁-100 S-40